CN104551265A - Method for machining face gear through disc tool - Google Patents
Method for machining face gear through disc tool Download PDFInfo
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- CN104551265A CN104551265A CN201310464718.1A CN201310464718A CN104551265A CN 104551265 A CN104551265 A CN 104551265A CN 201310464718 A CN201310464718 A CN 201310464718A CN 104551265 A CN104551265 A CN 104551265A
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- gear
- face gear
- disk cutter
- face
- tooth
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Abstract
The invention discloses a method for machining a face gear through a disc tool. The disc tool comprises a face gear (1), a disc tool (2) and a straight gear (3); the method is characterized by comprising the following steps: adopting a disc tool (2) with an involute blade same as the tooth the profile of the straight gear (3) or an involute-similar blade; enabling the disc tool (2) to simulate meshing motion of the single tooth of the straight gear (3) and the face gear (1) to envelop and machine the face gear, and to conduct cutting motion in the radial direction of the face gear (1) to accurately machine the tooth profile of the whole face gear. The method can realize gear milling of the face gear and high-precision gear grinding on conventional numerical control machine tools; a special face gear machine tool is not designed and manufactured; the manufacturing cost is greatly reduced; the developing period is shortened.
Description
Technical field
The invention belongs to the face gear numerical control mill teeth in gear manufacture method, roll flute processes this field.
Background technology
Face gear drive refers to the transmission that roller gear and bevel gear are meshed between the crossing or alternating axis in implementation space.Compared with bevel gear, face gear drive has that registration is large, bearing capacity is strong, stability is strong, it is little to vibrate, take up space the advantage such as little.Along with the development of Aero-Space cause, face gear drive is widely applied in the power set of aircraft, occupies very consequence.
Face gear working method is one of main task of face gear research, but the processing method of opposite gear is mostly Gear Shaping at home at present, the face accuracy of gear processed is lower, bearing capacity is poor, make the application of face gear can only rest on the occasion of low speed, underloading, the transmission requirement of aviation apparatus can not being met, in order to improve the comprehensive transmission performance of face gear, the high accuracy manufacture of face gear must be realized.The transmission performance of face gear is improved further, opposite gear is generally needed to heat-treat, and heat treatment will produce heat expansion distortion to tooth surface of face gear, the precision of influence surface gear and transmission performance, because tooth face hardness after heat treatment is very high, adopt general processing method not easily to process, must study face gear working method could solve.
A kind of method adopting worm wheel grinding machined surface gear is disclosed in US Patent No. 006146253 (A), the method adopts the principle opposite gear of the continuous generate of worm screw to process, there is higher working (machining) efficiency, but there is singularity in its worm abrasion wheel flank of tooth, design and manufaction relative difficulty, and the method needs to design special process equipment, cost is higher.
A kind of face gear working method is disclosed in Japan Patent JP2002011615A, the method adopts rectilinear edge shape or the cutter close to rectilinear edge shape, and by regulating cutter to make it to become with the pressure angle of face gear a correct numerical value, and carry out cutting movement to realize manufacture face gear to the radial direction of this face gear.The method is due to without the need to moving reciprocatingly in radial direction, there is higher working (machining) efficiency, but belong to variable cross-section flank profil due to the flank profil of face gear, adopt this processing method can only the tooth surface of face gear processed of close approximation, accurate face gear-profile can not be obtained, there is certain errors of principles.
A kind of new method of disk cutter machined surface gear of invention, the method can on existing lathe, disk cutter is utilized to realize face gear milling and high-precision gear grinding processing, the effect of exact working surfaces gear can be reached, eliminate process principle error, manufacture the special processing equipment of face gear without the need to otherwise designed, greatly reduce production cost, improve machining accuracy.
Summary of the invention
The technical problem that this patent solves is: the defect such as low for Gear Processing precision above market, transmission performance is poor, has invented on existing Digit Control Machine Tool, has utilized disk cutter to realize the processing method of face gear milling and high-precision gear grinding.The method can carry out roll flute processing by the face gear after simultaneously opposite gear carries out mill teeth and heat treatment, realizes the thick fine finishining integration of face gear, reduces costs.
The face gear working method of invention, comprising: face gear 1, disk cutter 2, spur gear 3.It is characterized in that: the disk cutter 2 adopting the involute sword identical with spur gear 3 flank profil or approximate involute sword, the gear motion making it to simulate the single tooth of spur gear 3 and face gear 1 carrys out envelope machined surface gear, and carry out cutting movement to the radial direction of this face gear 1, accurately to process whole gear-profile.
Described processing method can realize the processing of face gear on existing lathe, it is characterized in that: be installed on the workbench of lathe by face gear 1, lengthens grinding wheel stand 4 and is installed on machine tool chief axis top, and disk cutter 2 is installed on and lengthens grinding wheel stand 4 top.In process, face gear 1 rotates around own axes with lathe A rotating shaft, and face gear 1 swings with lathe B rotating shaft simultaneously.Disk cutter 2 is with main shaft around own axes High Rotation Speed, and disk cutter 2 carries out round feed motion in the radial direction of face gear simultaneously.After processing a complete flank of tooth, face gear carries out dividing movement, to process the next flank of tooth, until process whole tooth surface of face gear.
In process, in order to avoid face gear 1 and lathe Y-axis are collided, devise lengthening grinding wheel stand 4 and be installed on machine tool chief axis top, then disk cutter 2 is installed on lengthening grinding wheel stand 4 top, and the length lengthening grinding wheel stand 4 should be greater than the exradius of face gear 1.
From the engagement rule between face gear 1, disk cutter 2 and spur gear 3, reach and accurately create into face gear-profile, the axial cross section profile of the disk cutter 2 utilized should be identical with the axial profile of spur gear 3.In process, face gear 1 with lathe A rotating shaft around own axes rotate and with lathe B rotating shaft swing rotating ratio be constant, and
(1)
Wherein N
cwith N
fbe respectively the number of teeth of spur gear 3 and face gear 1.
Disk cutter 2 is in process, and in order to reach cutting teeth base surplus, improve the object of cutting surface microscopic appearance, disk cutter 2 makes High Rotation Speed with machine tool chief axis around himself axis, and its rotating speed is normally constant.
In process, face gear 1 often swings a small angle around B rotating shaft, and disk cutter 2 just once comes and goes feed motion in the radial direction of face gear 1, to reach the effect of cutting the whole flank of tooth.
In process, owing to limiting by lathe B rotating shaft stroke, adopt single-sided process mode, first at the right flank of tooth of station 1 machined surface gear, after processing a complete right flank of tooth, face gear carries out dividing movement, to process the right flank of tooth of next tooth, until process whole the right flank of tooth of gear, and then change the left flank of tooth to station 2 machined surface gear 1, until process institute's geared surface of whole gear.
Described processing method, can realize opposite gear 1 simultaneously and carry out mill teeth and high-precision gear grinding processing, the relative motion relation of cutter and workpiece is constant.During Gear Milling, disk cutter 2 is milling cutter, and roll flute adds man-hour, and disk cutter 2 is emery wheel.
Described spur gear 3 is virtual, and in the process of reality, spur gear 3 is non-existent, is drawn in the drawings just in order to better process principle is described.All need first to heat-treat, to improve the combination property of material as simultaneously last in roll flute processing at the flank of tooth of real machined surface gear 1.
Tool of the present invention has the following advantages and effect:
(1) processing method is proposed with the theory of engagement of spur gear and face gear for theoretical foundation, eliminate process principle error, the high accuracy manufacture of opposite gear can be reached.
(2) processing method proposed can realize face gear milling and high-precision gear grinding processing integration on same a machine tool, manufactures the special processing equipment of face gear, greatly reduce production cost, improve machining accuracy without the need to otherwise designed.
Accompanying drawing explanation
Fig. 1 is the process principle schematic diagram utilizing disk cutter 2 machined surface gear 1.
Fig. 2 is the process principle schematic diagram top view utilizing disk cutter 2 machined surface gear 1.
Fig. 3 is Digit Control Machine Tool lathe scheme of installation when processing former workpiece.
Lathe scheme of installation when Fig. 4 is Digit Control Machine Tool machined surface gear 1.
Fig. 5 is station 1,2 Working position schematic diagram.
Detailed description of the invention
Face gear milling processing and implementation mode
1. see Fig. 4, be installed on platen by face gear teeth base, lengthen grinding wheel stand 4 and be installed on machine tool chief axis top, disc milling cutter 2 is installed on and lengthens grinding wheel stand 4 top.
2. see Fig. 5, disc milling cutter 2 is moved to station 1 Working position, after disc milling cutter 2 moves to Working position, disc milling cutter 2 does High Rotation Speed around main shaft, simultaneously face gear 1 swings a small angle with lathe A rotating shaft and B rotating shaft with constant rotating ratio, then disc milling cutter 2 comes and goes feeding once with lathe Y-axis toward the radial direction of face gear 1, so repeatedly swings and feeding, until cut the right flank of tooth of complete tooth.
3., after processing a complete right flank of tooth, disc milling cutter 2 exit surface gear tooth slot, platen carries out dividing movement, to process next teeth groove.So repeatedly, until process all right flank of tooth of whole gear.
4. disc milling cutter 2 is moved to station 2 Working position, after disc milling cutter moves to Working position, disc milling cutter 2 does High Rotation Speed around main shaft, simultaneously face gear 1 swings a small angle with lathe A rotating shaft and B rotating shaft with constant rotating ratio, then disc milling cutter 2 comes and goes feeding once with lathe Y-axis toward the radial direction of face gear 1, reaches the effect of cutting the flank of tooth.So repeatedly swing and feeding, until cut the left flank of tooth of complete tooth.
5., after processing a complete left flank of tooth, disc milling cutter 2 exit surface gear tooth slot, platen carries out dividing movement, to process next teeth groove.So repeatedly, until process all left flank of tooth of whole gear.
6. if allowance divides operation several times to distribute, then repeat the above-mentioned operation of 1,2,3,4,5 until machine.
Face gear grinding processing and implementation mode
1. opposite gear 1 is heat-treated in advance, to improve the combination property of material.See Fig. 4, be installed on platen by face gear 1, lengthen grinding wheel stand 4 and be installed on machine tool chief axis top, disk wheel 2 is installed on and lengthens grinding wheel stand 4 top.
2. disk wheel 2 is moved to cutter position, carry out tool setting, after tool setting completes, record the value A of now A rotating shaft
0.
3. see Fig. 5, disk wheel 2 is moved to station 1 Working position, after disk wheel 2 moves to Working position, disk wheel 2 does High Rotation Speed around main shaft, simultaneously face gear 1 swings a small angle with lathe A rotating shaft and B rotating shaft with constant rotating ratio, then disk wheel 2 comes and goes feeding once with lathe Y-axis toward the radial direction of face gear 1, reaches the effect of cutting the flank of tooth.So repeatedly swing and feeding, until cut the right flank of tooth of complete tooth.
4., after processing a complete right flank of tooth, disk wheel 2 exit surface tooth, 1 teeth groove, platen carries out dividing movement, to process next teeth groove.So repeatedly, until process all right flank of tooth of whole gear 1.
5. disk wheel 2 is moved to station 2 Working position, after disk wheel 2 moves to Working position, disk wheel 2 does High Rotation Speed around main shaft, simultaneously face gear 1 swings a small angle with lathe A rotating shaft and B rotating shaft with constant rotating ratio, then disk wheel 2 comes and goes feeding once with lathe Y-axis toward the radial direction of face gear 1, reaches the effect of cutting the flank of tooth.So repeatedly swing and feeding, until cut the left flank of tooth of complete tooth.
6., after processing a complete left flank of tooth, disk wheel 2 exit surface gear 1 teeth groove, platen carries out dividing movement, to process next teeth groove.So repeatedly, until process all left flank of tooth of whole gear 1.
7. if allowance divides operation several times to distribute, then repeat the above-mentioned operation of 1,2,3,4,5,6 until machine.
Claims (6)
1. the method for a disk cutter machined surface gear, comprise: face gear 1, disk cutter 2, spur gear 3, it is characterized in that: the disk cutter 2 adopting the involute sword identical with spur gear 3 flank profil or approximate involute sword, the gear motion making it to simulate the single tooth of spur gear 3 and face gear 1 carrys out envelope machined surface gear, and carry out cutting movement to the radial direction of this face gear 1, accurately to process whole gear-profile.
2. processing method according to claim 1, is characterized in that: the axial cross section profile of disk cutter 2 is identical with the axial profile of spur gear 3, is involute sword or approximate involute sword.
3. processing method according to claim 1, is characterized in that: in process, face gear 1 around
rotating speed
with disk cutter 2 around
rotating speed
between rotating ratio be constant, and
Wherein
with
be respectively the number of teeth of spur gear 3 and face gear 1.
4. processing method according to claim 1, is characterized in that: disk cutter 2 often around
swing a small angle, just once come and go feed motion in the radial direction of face gear 1, with cutting face gear teeth length direction flank profil, so repeatedly swing and radial feed until cut complete teeth groove.
5. processing method according to claim 1, is characterized in that: after processing a complete teeth groove, disk cutter 2 exit surface gear 1 teeth groove, face gear 1 workbench carries out dividing movement, to process next teeth groove.
6. processing method according to claim 1, the processing of face gear can be realized on existing lathe, it is characterized in that: face gear 1 is installed on the workbench of lathe, lengthen grinding wheel stand 4 and be installed on machine tool chief axis top, disk cutter 2 is installed on and lengthens grinding wheel stand 4 top, in process, face gear 1 rotates around own axes with lathe A rotating shaft, face gear 1 swings with lathe B rotating shaft simultaneously, disk cutter 2 is with main shaft around own axes High Rotation Speed, and disk cutter 2 carries out round feed motion in the radial direction of face gear simultaneously.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105537888A (en) * | 2016-01-29 | 2016-05-04 | 陕西四达航空科技有限责任公司 | Method of processing high-precision straight tooth end face disk independently |
CN106238830A (en) * | 2016-08-29 | 2016-12-21 | 西北工业大学 | A kind of processing method with bowl-shape disc milling cutter milling face gear |
CN109277646A (en) * | 2017-07-21 | 2019-01-29 | 株式会社捷太格特 | Processing unit (plant) and processing method |
CN111037307A (en) * | 2020-01-15 | 2020-04-21 | 东阳阿语机械科技有限公司 | Gear machining and manufacturing equipment |
CN111515469A (en) * | 2020-04-07 | 2020-08-11 | 西安科技大学 | Machining method for manufacturing orthogonal straight-tooth face gear by disc-shaped cutter |
Citations (5)
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EP1013369A2 (en) * | 1998-12-21 | 2000-06-28 | Derlan Aerospace | Face gear manufacturing method and apparatus |
CN101015870A (en) * | 2006-11-08 | 2007-08-15 | 湖南中大创远数控装备有限公司 | Six-five axis spiral awl gear cutting machine |
CN101508039A (en) * | 2009-03-02 | 2009-08-19 | 长沙哈量凯帅精密机械有限公司 | Six-axis five-linkage spiral taper gear cutting machine tool |
CN102581387A (en) * | 2012-03-20 | 2012-07-18 | 唐进元 | Method for processing face gear |
CN102601459A (en) * | 2012-03-20 | 2012-07-25 | 唐进元 | Face gear grinding method based on cylindrical gear forming and gear grinding machine tool with grinding wheel |
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2013
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1013369A2 (en) * | 1998-12-21 | 2000-06-28 | Derlan Aerospace | Face gear manufacturing method and apparatus |
CN101015870A (en) * | 2006-11-08 | 2007-08-15 | 湖南中大创远数控装备有限公司 | Six-five axis spiral awl gear cutting machine |
CN101508039A (en) * | 2009-03-02 | 2009-08-19 | 长沙哈量凯帅精密机械有限公司 | Six-axis five-linkage spiral taper gear cutting machine tool |
CN102581387A (en) * | 2012-03-20 | 2012-07-18 | 唐进元 | Method for processing face gear |
CN102601459A (en) * | 2012-03-20 | 2012-07-25 | 唐进元 | Face gear grinding method based on cylindrical gear forming and gear grinding machine tool with grinding wheel |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105537888A (en) * | 2016-01-29 | 2016-05-04 | 陕西四达航空科技有限责任公司 | Method of processing high-precision straight tooth end face disk independently |
CN106238830A (en) * | 2016-08-29 | 2016-12-21 | 西北工业大学 | A kind of processing method with bowl-shape disc milling cutter milling face gear |
CN106238830B (en) * | 2016-08-29 | 2018-07-31 | 西北工业大学 | A kind of processing method with bowl-shape disc milling cutter milling face gear |
CN109277646A (en) * | 2017-07-21 | 2019-01-29 | 株式会社捷太格特 | Processing unit (plant) and processing method |
CN111037307A (en) * | 2020-01-15 | 2020-04-21 | 东阳阿语机械科技有限公司 | Gear machining and manufacturing equipment |
CN111037307B (en) * | 2020-01-15 | 2020-12-04 | 安徽持家汉家居工艺品有限公司 | Gear machining and manufacturing equipment |
CN111515469A (en) * | 2020-04-07 | 2020-08-11 | 西安科技大学 | Machining method for manufacturing orthogonal straight-tooth face gear by disc-shaped cutter |
CN111515469B (en) * | 2020-04-07 | 2021-10-19 | 西安科技大学 | Machining method for manufacturing orthogonal straight-tooth face gear by disc-shaped cutter |
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Effective date of registration: 20151110 Address after: Yuelu District City, Hunan province 410083 Changsha left Mount Yuelu ridge Applicant after: Central South University Address before: The office of Hunan province 410083 Changsha Yuelu District City Lushan South Road 932, the new campus of Central South University College of mechanical and electrical engineering Applicant before: Tang Jinyuan |
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Application publication date: 20150429 |